<?php
/* Copyright (C) 2015   Jean-François Ferry     <jfefe@aternatik.fr>
 * Copyright (C) 2016   Laurent Destailleur     <eldy@users.sourceforge.net>
 * 
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program. If not, see <http://www.gnu.org/licenses/>.
 */

 use Luracast\Restler\RestException;

 require_once DOL_DOCUMENT_ROOT.'/comm/action/class/actioncomm.class.php';

/**
 * API class for Agenda Events
 *
 * @access protected 
 * @class  DolibarrApiAccess {@requires user,external}
 */
class AgendaEvents extends DolibarrApi
{

    /**
     * @var array   $FIELDS     Mandatory fields, checked when create and update object 
     */
    static $FIELDS = array(
    );

    /**
     * @var Event $actioncomm {@type ActionComm}
     */
    public $actioncomm;

    
    /**
     * Constructor
     */
    function __construct()
    {
		global $db, $conf;
		$this->db = $db;
        $this->actioncomm = new ActionComm($this->db);
    }

    /**
     * Get properties of a Agenda Events object
     *
     * Return an array with Agenda Events informations
     * 
     * @param       int         $id         ID of Agenda Events
     * @return 	    array|mixed             Data without useless information
	 *
     * @throws 	RestException
     */
    function get($id)
    {		
        if(! DolibarrApiAccess::$user->rights->agenda->myactions->read) {
            throw new RestException(401, "Insuffisant rights to read an event");
        }
        
        $result = $this->actioncomm->fetch($id);
        if( ! $result ) {
            throw new RestException(404, 'Agenda Events not found');
        }
		
        if(! DolibarrApiAccess::$user->rights->agenda->allactions->read && $this->actioncomm->ownerid != DolibarrApiAccess::$user->id) {
            throw new RestException(401, "Insuffisant rights to read event for owner id ".$request_data['userownerid'].' Your id is '.DolibarrApiAccess::$user->id);
        }
        
		if( ! DolibarrApi::_checkAccessToResource('agenda',$this->actioncomm->id)) {
			throw new RestException(401, 'Access not allowed for login '.DolibarrApiAccess::$user->login);
		}
        
        $this->actioncomm->fetchObjectLinked();
		return $this->_cleanObjectDatas($this->actioncomm);
    }

    /**
     * List Agenda Events
     * 
     * Get a list of Agenda Events
     * 
     * @param string	$sortfield	Sort field
     * @param string	$sortorder	Sort order
     * @param int		$limit		Limit for list
     * @param int		$page		Page number
     * @param string   	$user_ids   User ids filter field (owners of event). Example: '1' or '1,2,3'          {@pattern /^[0-9,]*$/i}
     * @param string    $sqlfilters Other criteria to filter answers separated by a comma. Syntax example "(t.label:like:'%dol%') and (t.date_creation:<:'20160101')"
     * @return  array               Array of Agenda Events objects
     */
    function index($sortfield = "t.id", $sortorder = 'ASC', $limit = 0, $page = 0, $user_ids = 0, $sqlfilters = '') {
        global $db, $conf;
        
        $obj_ret = array();

        // case of external user
        $socid = 0;
        if (! empty(DolibarrApiAccess::$user->societe_id)) $socid = DolibarrApiAccess::$user->societe_id;
        
        // If the internal user must only see his customers, force searching by him
        $search_sale = 0;
        if (! DolibarrApiAccess::$user->rights->societe->client->voir && !$socid) $search_sale = DolibarrApiAccess::$user->id;
        
        $sql = "SELECT t.id as rowid";
        $sql.= " FROM ".MAIN_DB_PREFIX."actioncomm as t";
        $sql.= ' WHERE t.entity IN ('.getEntity('agenda', 1).')';
        if ($user_ids) $sql.=" AND t.fk_user_action IN (".$user_ids.")";
        if ($socid > 0) $sql.= " AND t.fk_soc = ".$socid;
        // Insert sale filter
        if ($search_sale > 0)
        {
            $sql .= " AND sc.fk_user = ".$search_sale;
        }
        // Add sql filters
        if ($sqlfilters) 
        {
            if (! DolibarrApi::_checkFilters($sqlfilters))
            {
                throw new RestException(503, 'Error when validating parameter sqlfilters '.$sqlfilters);
            }
	        $regexstring='\(([^:\'\(\)]+:[^:\'\(\)]+:[^:\(\)]+)\)';
            $sql.=" AND (".preg_replace_callback('/'.$regexstring.'/', 'DolibarrApi::_forge_criteria_callback', $sqlfilters).")";
        }
        
        $sql.= $db->order($sortfield, $sortorder);
        if ($limit)	{
            if ($page < 0)
            {
                $page = 0;
            }
            $offset = $limit * $page;

            $sql.= $db->plimit($limit + 1, $offset);
        }

        $result = $db->query($sql);
        
        if ($result)
        {
            $num = $db->num_rows($result);
            while ($i < min($num, ($limit <= 0 ? $num : $limit)))
            {
                $obj = $db->fetch_object($result);
                $actioncomm_static = new ActionComm($db);
                if($actioncomm_static->fetch($obj->rowid)) {
                    $obj_ret[] = $this->_cleanObjectDatas($actioncomm_static);
                }
                $i++;
            }
        }
        else {
            throw new RestException(503, 'Error when retrieve Agenda Event list : '.$db->lasterror());
        }
        if( ! count($obj_ret)) {
            throw new RestException(404, 'No Agenda Event found');
        }
		return $obj_ret;
    }

    /**
     * Create Agenda Event object
     *
     * @param   array   $request_data   Request data
     * @return  int                     ID of Agenda Event
     */
    function post($request_data = NULL)
    {
      if(! DolibarrApiAccess::$user->rights->agenda->myactions->create) {
			  throw new RestException(401, "Insuffisant rights to create your Agenda Event");
		  }
      if(! DolibarrApiAccess::$user->rights->agenda->allactions->create && DolibarrApiAccess::$user->id != $request_data['userownerid']) {
		      throw new RestException(401, "Insuffisant rights to create an Agenda Event for owner id ".$request_data['userownerid'].' Your id is '.DolibarrApiAccess::$user->id);
		  }
		  
        // Check mandatory fields
        $result = $this->_validate($request_data);

        foreach($request_data as $field => $value) {
            $this->actioncomm->$field = $value;
        }
        /*if (isset($request_data["lines"])) {
          $lines = array();
          foreach ($request_data["lines"] as $line) {
            array_push($lines, (object) $line);
          }
          $this->expensereport->lines = $lines;
        }*/
        if ($this->actioncomm->create(DolibarrApiAccess::$user) < 0) {
            throw new RestException(500, "Error creating event", array_merge(array($this->actioncomm->error), $this->actioncomm->errors));
        }
        
        return $this->actioncomm->id;
    }

    
    /**
     * Update Agenda Event general fields (won't touch lines of expensereport)
     *
     * @param int   $id             Id of Agenda Event to update
     * @param array $request_data   Datas   
     * 
     * @return int 
     */
    /*
    function put($id, $request_data = NULL) {
      if(! DolibarrApiAccess::$user->rights->agenda->myactions->create) {
			  throw new RestException(401, "Insuffisant rights to create your Agenda Event");
		  }
      if(! DolibarrApiAccess::$user->rights->agenda->allactions->create && DolibarrApiAccess::$user->id != $request_data['userownerid']) {
		      throw new RestException(401, "Insuffisant rights to create an Agenda Event for owner id ".$request_data['userownerid'].' Your id is '.DolibarrApiAccess::$user->id);
		  }
        
        $result = $this->expensereport->fetch($id);
        if( ! $result ) {
            throw new RestException(404, 'expensereport not found');
        }
		
		if( ! DolibarrApi::_checkAccessToResource('expensereport',$this->expensereport->id)) {
			throw new RestException(401, 'Access not allowed for login '.DolibarrApiAccess::$user->login);
		}
        foreach($request_data as $field => $value) {
            if ($field == 'id') continue;
            $this->expensereport->$field = $value;
        }
        
        if($this->expensereport->update($id, DolibarrApiAccess::$user,1,'','','update'))
            return $this->get($id);
        
        return false;
    }
    */
        
    /**
     * Delete Agenda Event
     *
     * @param   int     $id         Agenda Event ID
     * 
     * @return  array
     */
    function delete($id)
    {
        if(! DolibarrApiAccess::$user->rights->agenda->myactions->delete) {
			  throw new RestException(401, "Insuffisant rights to delete your Agenda Event");
		}
        
		$result = $this->actioncomm->fetch($id);
		  
        if(! DolibarrApiAccess::$user->rights->agenda->allactions->delete && DolibarrApiAccess::$user->id != $this->actioncomm->userownerid) {
		      throw new RestException(401, "Insuffisant rights to delete an Agenda Event of owner id ".$request_data['userownerid'].' Your id is '.DolibarrApiAccess::$user->id);
		}
		
		if( ! $result ) {
            throw new RestException(404, 'Agenda Event not found');
        }
		
		if( ! DolibarrApi::_checkAccessToResource('actioncomm',$this->actioncomm->id)) {
			throw new RestException(401, 'Access not allowed for login '.DolibarrApiAccess::$user->login);
		}
        
        if( ! $this->actioncomm->delete(DolibarrApiAccess::$user)) {
            throw new RestException(500, 'Error when delete Agenda Event : '.$this->actioncomm->error);
        }
        
        return array(
            'success' => array(
                'code' => 200,
                'message' => 'Agenda Event deleted'
            )
        );
        
    }
    
    /**
     * Validate fields before create or update object
     * 
     * @param   array           $data   Array with data to verify
     * @return  array           
     * @throws  RestException
     */
    function _validate($data)
    {
        $event = array();
        foreach (Events::$FIELDS as $field) {
            if (!isset($data[$field]))
                throw new RestException(400, "$field field missing");
            $event[$field] = $data[$field];
            
        }
        return $event;
    }
}
